As a token of thanks to our friends for their valuable suggestions and for enabling this app to progress and meet the needs of our users, just visit the page below and offer your ranking or suggestion about this app (it can be a criticism, complaint, or bug report):

https://play.google.com/store/apps/details?id=com.nauclear.checkingbrick

You will receive from us a paid feature for free.
We will close this offer once we think a sufficient number of suggestions have been received.

PS. The paid feature is unlock the list quantity limited. When you add more than three lists, the payment window will pop out.
After you have purchased, we will refund the money to you unconditionally. If you do not agree with or trust this method, please do not purchase.